#!/usr/bin/env node

const Writable = require('stream').Writable;

function GreenStream(){
  Writable.call(this);

  this._write = (chunk,encoding,callback)=>{
    process.stdout.write('\033[1;32m' + chunk + '\033[1;37m');

    callback();
  };
}  

GreenStream.prototype = Writable.prototype;

process.stdin.pipe(new GreenStream());
